The simplest and most obvious cause which can there be assigned for any phenomena, is probably the true one.

Nothing appears more surprising to those, who consider human affairs with a philosophical eye, than the easiness with which the many are governed by the few; and the implicit submission, with which men resign their own sentiments and passions to those of their rulers.

No human testimony can have such force as to prove a miracle, and make it a just foundation for any such system of religion

[The sceptic] must acknowledge, if he will acknowledge any thing, that all human life must perish, were his principles to prevail.All discourse, all action would immediately cease, and men remain in a total lethargy, till the necessities of nature, unsatisfied, put an end to their miserable existence.

Be a philosopher but, amid all your philosophy be still a man.

Absolute monarchy,... is the easiest death, the true Euthanasia of the BRITISH constitution.

[Rousseau] has not had the precaution to throw any veil over his sentiments; and as he scorns to dissemble his contempt of established opinions, he could not wonder that all the zealots were in arms against him.